Base | Representation |
---|---|
bin | 10011100110100110110110 |
3 | 100200002012112 |
4 | 103212212312 |
5 | 2303420440 |
6 | 302051022 |
7 | 61452062 |
oct | 23464666 |
9 | 10602175 |
10 | 5138870 |
11 | 299aa00 |
12 | 1879a72 |
13 | 10ac069 |
14 | 97aaa2 |
15 | 6b7965 |
hex | 4e69b6 |
5138870 has 48 divisors (see below), whose sum is σ = 10571904. Its totient is φ = 1795200.
The previous prime is 5138869. The next prime is 5138891. The reversal of 5138870 is 788315.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 37442 + ... + 37578.
It is an arithmetic number, because the mean of its divisors is an integer number (220248).
Almost surely, 25138870 is an apocalyptic number.
5138870 is an abundant number, since it is smaller than the sum of its proper divisors (5433034).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
5138870 is a wasteful number, since it uses less digits than its factorization.
5138870 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 197 (or 186 counting only the distinct ones).
The product of its (nonzero) digits is 6720, while the sum is 32.
The square root of 5138870 is about 2266.9075852359. The cubic root of 5138870 is about 172.5662561417.
The spelling of 5138870 in words is "five million, one hundred thirty-eight thousand, eight hundred seventy".
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